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1 | /* |
2 | * MJPEG encoder | |
3 | * Copyright (c) 2000, 2001 Fabrice Bellard | |
4 | * Copyright (c) 2003 Alex Beregszaszi | |
5 | * Copyright (c) 2003-2004 Michael Niedermayer | |
6 | * | |
7 | * Support for external huffman table, various fixes (AVID workaround), | |
8 | * aspecting, new decode_frame mechanism and apple mjpeg-b support | |
9 | * by Alex Beregszaszi | |
10 | * | |
11 | * This file is part of FFmpeg. | |
12 | * | |
13 | * FFmpeg is free software; you can redistribute it and/or | |
14 | * modify it under the terms of the GNU Lesser General Public | |
15 | * License as published by the Free Software Foundation; either | |
16 | * version 2.1 of the License, or (at your option) any later version. | |
17 | * | |
18 | * FFmpeg is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
21 | * Lesser General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU Lesser General Public | |
24 | * License along with FFmpeg; if not, write to the Free Software | |
25 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
26 | */ | |
27 | ||
28 | /** | |
29 | * @file | |
30 | * MJPEG encoder. | |
31 | */ | |
32 | ||
33 | #ifndef AVCODEC_MJPEGENC_H | |
34 | #define AVCODEC_MJPEGENC_H | |
35 | ||
36 | #include <stdint.h> | |
37 | ||
38 | #include "mpegvideo.h" | |
39 | ||
40 | typedef struct MJpegContext { | |
41 | uint8_t huff_size_dc_luminance[12]; //FIXME use array [3] instead of lumi / chrom, for easier addressing | |
42 | uint16_t huff_code_dc_luminance[12]; | |
43 | uint8_t huff_size_dc_chrominance[12]; | |
44 | uint16_t huff_code_dc_chrominance[12]; | |
45 | ||
46 | uint8_t huff_size_ac_luminance[256]; | |
47 | uint16_t huff_code_ac_luminance[256]; | |
48 | uint8_t huff_size_ac_chrominance[256]; | |
49 | uint16_t huff_code_ac_chrominance[256]; | |
50 | } MJpegContext; | |
51 | ||
52 | int ff_mjpeg_encode_init(MpegEncContext *s); | |
53 | void ff_mjpeg_encode_close(MpegEncContext *s); | |
54 | void ff_mjpeg_encode_mb(MpegEncContext *s, int16_t block[12][64]); | |
55 | ||
56 | #endif /* AVCODEC_MJPEGENC_H */ |